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发明授权
CN105859275B 用于牙齿、牙槽修复的复合生物陶瓷 有权 转让

用于牙齿、牙槽修复的复合生物陶瓷
摘要：
本发明公开了一种用于种植牙的孔隙率较小的玻璃陶瓷，包括以下重量份计的原料：二氧化硅50~70份、氧化镁20~70份、磷酸氢钙30~40份、五氧化二磷20~30份、碳化硅15~25份、锌10~20份、聚四氟乙烯12~20份、乙基纤维素30~40份。制备方法：二氧化硅、氧化镁、磷酸氢钙、五氧化二磷、碳化硅、锌、聚四氟乙烯、乙基纤维素混合均匀，熔化后，加热至1300~1400℃，反应2~3h；骤冷，粉碎，筛分，冷压成型；烧结。本发明先成型制成粉末，然后再制备成玻璃陶瓷，可以防止直接成型为大块玻璃而开裂，提高产品质量；而且按照本发明的方法制备得到的产品孔隙率小，紧密无开裂。
摘要（英）：

The invention discloses a hydroxy apatite/zirconia composite bio-ceramic and a preparation method thereof, and relates to the field of biological materials. The hydroxy apatite powder is taken as the basic material, nano zirconia is taken as the cladding material, and the nano zirconia is coated on the surface of the hydroxy apatite surface; wherein the average particle size of the hydroxy apatite powder is 10 to 50 [mu]m, the thickness of the nano zirconia cladding layer is 100 to 300 nm; and the hydroxy apatite powder is prepared through a precipitation reaction method or a hydrothermal method. The preparation method comprises steps of preparing hydroxy apatite powder, carrying out chemical vapor deposition reactions, and performing high temperature solid state method. The provided hydroxy apatite/zirconia composite bio-ceramic has a high mechanical strength and good biocompatibility, can be used to repair or fill tooth or alveolar cavity and repair bone damage, and can also be used as artificial bone cores to treat bone tuberculosis.

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